{"result_count":1,"results":[{"addresses":[{"address_1":"3800 RESERVOIR RD NW","address_purpose":"LOCATION","address_type":"DOM","city":"WASHINGTON","country_code":"US","country_name":"United States","postal_code":"200072113","state":"DC","telephone_number":"202-444-8830"},{"address_1":"3800 RESERVOIR RD NW","address_purpose":"MAILING","address_type":"DOM","city":"WASHINGTON","country_code":"US","country_name":"United States","postal_code":"200072113","state":"DC","telephone_number":"202-444-8830"}],"basic":{"certification_date":"2021-04-08","credential":"MD","enumeration_date":"2013-05-08","first_name":"IAN","last_name":"OPPENHEIM","last_updated":"2021-04-08","middle_name":"M","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1368043318000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1617916493000","number":"1033554605","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207R00000X","desc":"Internal Medicine","license":"MD049102","primary":false,"state":"DC","taxonomy_group":""},{"code":"207RP1001X","desc":"Internal Medicine, Pulmonary Disease","license":"MD049102","primary":true,"state":"DC","taxonomy_group":""},{"code":"207RC0200X","desc":"Internal Medicine, Critical Care Medicine","license":"MD049102","primary":false,"state":"DC","taxonomy_group":""}]}]}